Answer:
The correct answer is option D.
Explanation:
The reserve requirement is 20 percent.
The Fed purchases $100 million of U.S. securities from security dealers.
The excess reserves with banks are zero.
When fed purchased securities, this open market operation increased the reserves with banks by $100 million.
The increase in money supply
= [tex]\frac{1}{RR}\times Change\ in\ reserves[/tex]
= [tex]\frac{1}{0.2}\times 100[/tex]
= 500